/// <summary>
/// Deletes a product.
/// </summary>
/// <param name="productDel">Product to delete</param>
public void Delete(ProductDTO productDel)
{
// Throws an exception for a null dto
if (productDel == null)
throw new ArgumentNullException("productDel",
"productDel does not accept a null dto as an argument.");
using (var context = new openTillEntities())
{
var product = context.Products.SingleOrDefault(p => p.UPC == productDel.UPC);
// Throws an exception if no matching entry is found
if (product == null)
throw new InvalidOperationException("No entry matching the given product was found.");
context.Products.Remove(product);
context.SaveChanges();
}
}
/// <summary>
/// Default constructor, sets the ProductDTO represented by this TransactionItem
/// </summary>
/// <param name="item">the ProductDTO this object will represent</param>
public TransactionItem(ProductDTO item)
{
Item = new ObservableProduct(item);
}
public ObservableProduct(ProductDTO dto)
{
UPC = dto.UPC;
CategoryListID = dto.CategoryListID;
BrandID = dto.BrandID;
Name = dto.Name;
Description = dto.Description;
StoreCost = dto.StoreCost;
SellingPrice = dto.SellingPrice;
MinOnHand = dto.MinOnHand;
OnHand = dto.OnHand;
HasDeposit = dto.HasDeposit;
IsTaxable = dto.IsTaxable;
MinimumAge = dto.MinimumAge;
CategoryList = dto.CategoryList;
ProductState = State.Unmodified;
}
/// <summary>
/// Updates an existing product.
/// </summary>
/// <param name="productUpdate">Product to update</param>
public void Update(ProductDTO productUpdate)
{
// Throws an exception for a null dto
if (productUpdate == null)
throw new ArgumentNullException("productUpdate",
"productUpdate does not accept a null dto as an argument.");
using (var context = new openTillEntities())
{
var product = context.Products.SingleOrDefault(p => p.UPC == productUpdate.UPC);
// Throws an exception if no matching product is fonud
if (product == null)
throw new InvalidOperationException("No product with the given upc exists.");
// Update existing product
product.BrandId = productUpdate.BrandID;
product.Description = productUpdate.Description;
product.Name = productUpdate.Name;
product.OnHand = productUpdate.OnHand;
product.MinOnHand = productUpdate.MinOnHand;
product.HasDeposit = productUpdate.HasDeposit;
product.IsTaxable = productUpdate.IsTaxable;
product.StoreCost = productUpdate.StoreCost;
product.SellingPrice = productUpdate.SellingPrice;
product.MinimumAge = (byte?)productUpdate.MinimumAge;
context.SaveChanges();
}
}
/// <summary>
/// Submits a new product for persistence.
/// </summary>
/// <param name="newProduct">New product to save</param>
public void Insert(ProductDTO newProduct)
{
// Throws an exception for a null dto
if (newProduct == null)
throw new ArgumentNullException("newProduct",
"newProduct does not accept a null dto as an argument.");
using (var context = new openTillEntities())
{
// Throws exception if a product with the given upc already exists
if (context.Products.SingleOrDefault(p => p.UPC == newProduct.UPC) != null)
throw new InvalidOperationException("A product with the given upc already exists.");
context.Products.Add(Mapper.Map<Product>(newProduct));
context.SaveChanges();
}
}
/// <summary>
/// Method calls on repository to save a Product.
/// </summary>
/// <param name="product">The Product to be saved.</param>
public void SaveProduct(ProductDTO product)
{
_productRepository.Insert(product);
}
/// <summary>
/// Method calls on repository to delete a Product.
/// </summary>
/// <param name="product">The Product to be deleted.</param>
public void RemoveProduct(ProductDTO product)
{
_productRepository.Delete(product);
}
